CN104815608B - Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band - Google Patents
Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band Download PDFInfo
- Publication number
- CN104815608B CN104815608B CN201510220548.1A CN201510220548A CN104815608B CN 104815608 B CN104815608 B CN 104815608B CN 201510220548 A CN201510220548 A CN 201510220548A CN 104815608 B CN104815608 B CN 104815608B
- Authority
- CN
- China
- Prior art keywords
- stannic oxide
- graphene nano
- nano band
- oil separating
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, methods described step is as follows：First, oxidizing process cutting function stannic oxide/graphene nano band；2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method.The area of Multifunctional oil moisture scrapping off film prepared by the present invention is 38 ± 2cm2, holey membrane pore size is 5 200nm.Multifunctional water separation material nethike embrane prepared by this method can carry out water-oil separating and heavy metal adsorption to the multi-component mixture containing immiscible profit, metal ion etc. simultaneously; this one body swimming purifies renewable membrane, to environmental protection, maintains ecosystem balance to have very important significance.
Description
Technical field
The present invention relates to a kind of preparation method of the multi-functional porous compound nethike embrane of graduation.
Background technology
It has been a worldwide problem that Oil spills and oil-containing industrial water, which are discharged, and this gives ocean zone to carry out many Toxics
Matter, be delivered to by marine food chain in each species body including the mankind, makes from rudimentary plant algae to higher mammal
Organism species and human health are on the hazard.And except containing insoluble oil, containing a large amount of points toward contact in industrial wastewater
Emulsion and heavy metal ion are dissipated, due to its toxicity and carcinogenesis, heavy metal is considered as " killer " posed a health risk.With people
Mouthful increase and freshwater resources scarcity, preparation can stable circulation using, for go water removal in different conditions oil and a huge sum of money
The multi-functional seperation film of category ion has become a urgent demand.
Traditional weight-driven water-oil separationg film can only separate emulsion or immiscible oil water mixture, it is impossible to separate molten
The metal ion of solution in the solution.For existing oil-water separation mesh film and sorbing material, separation process and adsorption process are equal
Carry out respectively, after separation water need carry out after-treatment can just reuse.Therefore need to prepare to be capable of function match, together
Shi Jinhang water-oil separatings and the seperation film of heavy metal adsorption, and seperation film can realize automatically cleaning after use, anti-oil pollution,
Continue cycling through and use.
The content of the invention
It is an object of the invention to provide a kind of preparation side based on the multi-functional water-oil separating material of stannic oxide/graphene nano band
Method, multi-functional water-oil separating material web prepared by this method can be simultaneously to multi-component containing immiscible profit, metal ion etc.
Mixture carries out water-oil separating and heavy metal adsorption, and this one body swimming purifies renewable membrane, to environmental protection, maintains ecosystem
System balance has very important significance.
The purpose of the present invention is achieved through the following technical solutions：
A kind of preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, is combined true using oxidizing process
Empty suction method prepares multi-functional graduation water-oil separating material, comprises the following steps that：
First, oxidizing process cutting function stannic oxide/graphene nano band：
（1）Measure 2-50mL phosphoric acid solutions to be added in 500mL round-bottomed flask, add the 20-400mL concentrated sulfuric acids, stirring
Uniformly；
（2）Weigh 0.1-10g CNTs and be added to step（1）Mixed acid liquid in, stir 0.1-5h；
（3）0.1-50g 3 steps of potassium permanganate point are slowly added into step（2）Mixed liquor in, stir 0.5-1h；
（4）In the oil bath pan that above-mentioned reaction system is moved to 30-70 DEG C, room temperature is cooled to after stirring reaction 5-48h；
（5）By step（4）Solution pour into containing 2-50mL hydrogen peroxide（30%）Frozen water mixed liquor in condense 5-48h, this
When solution become it is blackish green explanation reaction it is complete；
（6）Solution is added to 50-200mL concentration after ultrasonically treated for 1-30% hydrochloric acid and 100-300mL deionized waters to exist
Filtration washing on poly tetrafluoroethylene；
（7）Dried in vacuum drying chamber, obtain stannic oxide/graphene nano band（GONRs）, ultrasonic 2-50min obtains homogeneous
The GONRs suspension of change；
（8）0.1-10g IPDI are added in GONRs suspension, under nitrogen protection stirring reaction 20-30h, finally
Washed 4-6 times with dichloromethane and DMF to product, freeze-drying obtains functional graphene oxide nanobelt.
2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method：
（1）Stannic oxide/graphene nano band is dispersed in 100-1000mL deionized waters and ultrasonically treated, prepared uniform
Stannic oxide/graphene nano band suspension, it is 0.2-5 hours to control total ultrasonic time, but its time is not continuous, 5s ultrasounds,
5s stops, meanwhile, ultrasonically treated intensity is 100-200W, and frequency is 10-30 KHZ, and voltage is 100-220V；
（2）The stannic oxide/graphene nano band suspension of acquisition is filtered into a metafiltration film by vacuum filtration, filter paper is used
Pore size is 30-50 μm, a diameter of 7cm of film, and area is 38.46cm2, resulting film is flexible, can not have prejudicial
Easily fall off filter paper.
It is heavy metal ion adsorbed by the progress of its surface functional group for the multi-functional nethike embrane of stannic oxide/graphene nano band, its
The mechanism of action is as follows：
。
The invention has the advantages that：
1st, it is a kind of letter that the present invention carries out vacuum filtration method to prepare porous material using high length-diameter ratio micro-nano-scale material
It is single, conveniently, the controllable method of low cost, parameter, and prepared stannic oxide/graphene nano band net has good super hydrophilic water
Under superoleophobic low stick property, it is possible to achieve automatically cleaning, prevent oily pollution in separation process.
2nd, graphene oxide has substantial amounts of functional group due to its surface, and there is its heavy metal ion good absorption to make
With therefore graphene oxide composite material is a kind of outstanding and heavy metal ion adsorbing material, and it has amphiphilic, is that one kind has
The water-oil separating material of future.
3rd, porous network structure can be formed from overlap joint using the high draw ratio of stannic oxide/graphene nano band, prepares porous web
Shape stannic oxide/graphene nano band can realize heavy metal adsorption and water-oil separating double process, and stannic oxide/graphene nano band simultaneously
Many kinds of metal ions can be chelated simultaneously with high specific surface area, have the advantages that adsorption capacity is big.
4th, traditional oil water separation process, it is impossible to while being divided the heavy metal ion in the oil and water in sewage
From stannic oxide/graphene nano band nethike embrane prepared by the present invention can Adsorption of Heavy Metals ion and water-oil separating application simultaneously, solution
The problems such as after-treatment during processing sewage, have a good application prospect.
5th, graphene oxide has amphiphilic, and hydrophilic and oleophilic is superoleophobic under water in air, by oxygen before water-oil separating is carried out
Graphite alkene nanobelt nethike embrane enters the infiltration of water-filling, forms water membrane, oil can be effectively prevented in oil water separation process
Penetrate into.
6th, the area of Multifunctional oil moisture scrapping off film prepared by the present invention is 38 ± 2cm2, holey membrane pore size is 5-
200nm。
7th, the preparation method is simple to operate, and experiment parameter is controllable, low cost, is inhaled available for manufacture water-oil separating and heavy metal
Attached multifunctional material, the material has in air hydrophilic and oleophilic superoleophobic property, good mechanical stability under water.
Brief description of the drawings
Fig. 1 is stannic oxide/graphene nano band porous web pattern and application process schematic diagram；
Fig. 2 is stannic oxide/graphene nano band porous web automatically cleaning process schematic.
Embodiment
Technical scheme is further described below in conjunction with the accompanying drawings, but is not limited thereto, it is every to this
Inventive technique scheme is modified or equivalent, without departing from the spirit and scope of technical solution of the present invention, all should be covered
In protection scope of the present invention.
Embodiment one：Present embodiment prepares multi-functional water-oil separating material in accordance with the following steps：
First, oxidizing process cutting function stannic oxide/graphene nano band：
（1）Measure 2-50mL phosphoric acid solutions to be added in 500mL round-bottomed flask, add the 20-400mL concentrated sulfuric acids,
Stirred under 15000-30000rpm rotating speed；
（2）Weigh 0.1-10g CNTs and be added to step（1）Mixed acid liquid in, stir 0.1-5h；
（3）0.1-50g 3 steps of potassium permanganate point are slowly added into step（2）Mixed liquor in, stir 0.5-1h；
（4）In the oil bath pan that above-mentioned reaction system is moved to 30-70 DEG C, stir anti-under 15000-30000rpm rotating speed
Answer and room temperature is cooled to after 5-48h；
（5）By step（4）Solution pour into containing 2-50mL hydrogen peroxide（30%）Frozen water mixed liquor in condense 5-48h, this
When solution become it is blackish green explanation reaction it is complete；
（6）Solution is added to the salt that 50-200mL concentration is 1-30% after ultrasonically treated 20-30min under the conditions of 30-50Hz
Acid and 100-300mL deionized waters filtration washing on poly tetrafluoroethylene；
（7）20-30h is dried in 50-80 DEG C of vacuum drying chamber, stannic oxide/graphene nano band is obtained（GONRs）, ultrasound
The GONRs suspension that 2-50min is uniformed；
（8）0.1-10g IPDI are added in GONRs suspension, under nitrogen protection stirring reaction 20-30h（Stirring speed
Spend for 15000-30000rpm）, finally obtain product and washed 4-6 times with dichloromethane and DMF, freeze-drying obtains functionalization oxygen
Graphite alkene nanobelt.
2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method：
（1）Stannic oxide/graphene nano band is dispersed in 100-1000mL deionized waters and ultrasonically treated, prepared uniform
Stannic oxide/graphene nano band suspension, it is 0.2-5 hours to control total ultrasonic time, but its time is not continuous, 5s ultrasounds,
5s stops, meanwhile, ultrasonically treated intensity is 100-200W, and frequency is 10-30 KHZ, and voltage is 100-220V；
（2）The stannic oxide/graphene nano band suspension of acquisition is filtered into a metafiltration film by vacuum filtration, filter paper is used
Pore size is 30-50 μm, a diameter of 7cm of film, and area is 38.46cm2, resulting film is flexible, can not have prejudicial
Easily fall off filter paper.
3rd, heavy metal ion adsorbed and water-oil separating application process：
Heavy metal ion solution is prepared as model pollutant, stannic oxide/graphene nano band nethike embrane is mounted in oily-water seperating equipment
On, separated by Action of Gravity Field.By oil water mixture and heavy metal ion simultaneously by oily-water seperating equipment, by preparing
Multi-functional GONRs nethike embranes.Nethike embrane is tested for water-oil separating separative efficiency respectively using oily-water seperating equipment, separated
Liquid passes through Infrared Oil Determination Instrument and Atomic Absorption Spectrometer afterwards（AAS）Determine its oil content and record disengaging time.Such as Fig. 1 institutes
Show, Adsorption of Heavy Metals ion and oil are eluted, used by 100mL10% salt acid soaks by separation oil and Adsorption of Heavy Metals caudacoria
In subsequent applications（Fig. 2）.
The area of Multifunctional oil moisture scrapping off film prepared by the present invention is 38 ± 2cm2, holey membrane pore size is 5-
200nm。
Embodiment two：Present embodiment prepares Multifunctional oil moisture scrapping off film in accordance with the following steps：
First, oxidizing process cutting function stannic oxide/graphene nano band；
（1）20mL phosphoric acid solutions are measured to be added in 500mL round-bottomed flask, be subsequently added into the 180mL concentrated sulfuric acids and
Rotating speed be 30000rpm under stir；
（2）Weigh 1g CNTs and be added in above mixed acid liquid and stir 1h；
（3）6g 3 steps of potassium permanganate point are slowly added into liquid mixed above and 30min is stirred；
（4）In the oil bath pan that above-mentioned reaction system is moved to 45 DEG C, the stirring reaction under conditions of rotating speed is 30000rpm
Room temperature is cooled to after 24h；
（5）Pour into containing 10mL hydrogen peroxide（30%）Frozen water mixed liquor in condense 24h, now solution becomes blackish green theory
Bright reaction is complete；
（6）Solution is added to the hydrochloric acid and 150mL deionized waters that 100mL concentration is 10% in polytetrafluoroethylene (PTFE) after ultrasonically treated
Filtration washing on film；
（7）24h is dried in 60 DEG C of vacuum drying chamber and obtains stannic oxide/graphene nano band（GONRs）, ultrasonic 10min obtains
To the GONRs suspension of homogenization；
（8）2g IPDI are added, under nitrogen protection stirring reaction 24h, finally obtain product dichloromethane and DMF
Washing 5 times, freeze-drying obtains functional graphene oxide nanobelt.
2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method：
（1）0.008mol stannic oxide/graphene nano bands are dispersed in 400mL deionized waters and ultrasonically treated, prepared uniform
Stannic oxide/graphene nano band suspension.It is 1.0 hours to set total ultrasonic time, but its time is not continuous, 5s ultrasounds,
5s stops.Ultrasonically treated effective time is 0.5 hour.Meanwhile, ultrasonically treated intensity is 150W, 20 KHZ frequencies and voltage
203V。
（2）The nanobelt suspension of acquisition is filtered into a metafiltration film by vacuum filtration, is using the pore size of filter paper
30-50 μm, film diameter is 7cm, and area is 38.46cm2.Resulting film is flexible, can not have prejudicial easily fall off
Filter paper.
3rd, heavy metal ion adsorbed and water-oil separating application process：
Heavy metal ion solution is prepared as model pollutant, stannic oxide/graphene nano band nethike embrane is mounted in oily-water seperating equipment
On, separated by Action of Gravity Field.By oil water mixture and heavy metal ion simultaneously by oily-water seperating equipment, by preparing
Multi-functional GONRs nethike embranes.Nethike embrane is tested for water-oil separating separative efficiency respectively using oily-water seperating equipment, separated
Liquid passes through Infrared Oil Determination Instrument and Atomic Absorption Spectrometer afterwards（AAS）Determine its oil content and record disengaging time, separative efficiency
95 ± 4%, Adsorption of Heavy Metals ion 90 ± 5%.
The area of Multifunctional oil moisture scrapping off film prepared by present embodiment is 38 ± 2cm2, holey membrane pore size is
100 ± 20nm, thickness is 2mm.
Embodiment three：Present embodiment prepares Multifunctional oil moisture scrapping off film in accordance with the following steps：
First, oxidizing process cutting function stannic oxide/graphene nano band：
（1）20mL phosphoric acid solutions are measured to be added in 500mL round-bottomed flask, be subsequently added into the 180mL concentrated sulfuric acids and
Rotating speed be 30000rpm under conditions of stir；
（2）Weigh 3g CNTs and be added in above mixed acid liquid and stir 1h；
（3）6g 3 steps of potassium permanganate point are slowly added into liquid mixed above and 30min is stirred；
（4）In the oil bath pan that above-mentioned reaction system is moved to 45 DEG C, the stirring reaction under conditions of rotating speed is 30000rpm
Room temperature is cooled to after 24h；
（5）Pour into containing 10mL hydrogen peroxide（30%）Frozen water mixed liquor in condense 24h, now solution becomes blackish green theory
Bright reaction is complete；
（6）Solution is added to the hydrochloric acid and 150mL deionized waters that 100mL concentration is 10% in polytetrafluoroethylene (PTFE) after ultrasonically treated
Filtration washing on film；
（7）24h is dried in 60 DEG C of vacuum drying chamber and obtains stannic oxide/graphene nano band（GONRs）, ultrasonic 10min obtains
To the GONRs suspension of homogenization；
（8）2g IPDI are added, under nitrogen protection stirring reaction 24h, finally obtain product dichloromethane and DMF
Washing 5 times, freeze-drying obtains functional graphene oxide nanobelt.
2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method：
（1）0.008mol stannic oxide/graphene nano bands are dispersed in 400mL deionized waters and ultrasonically treated, prepared uniform
Stannic oxide/graphene nano band suspension.It is 1.0 hours to set total ultrasonic time, but its time is not continuous, 5s ultrasounds,
5s stops.Ultrasonically treated effective time is 0.5 hour.Meanwhile, ultrasonically treated intensity is 150W, 20 KHZ frequencies and voltage
203V。
（2）The nanobelt suspension of acquisition is filtered into a metafiltration film by vacuum filtration；It is using the pore size of filter paper
30-50 μm.Film diameter is 7cm, and area is 38.46cm2.Resulting film is flexible, can not have prejudicial easily fall off
Filter paper.
3rd, heavy metal ion adsorbed and water-oil separating application process：
Heavy metal ion solution is prepared as model pollutant, stannic oxide/graphene nano band nethike embrane is mounted in oily-water seperating equipment
On, separated by Action of Gravity Field.By oil water mixture and heavy metal ion simultaneously by oily-water seperating equipment, by preparing
Multi-functional GONRs nethike embranes.Nethike embrane is tested for water-oil separating separative efficiency respectively using oily-water seperating equipment, separated
Liquid passes through Infrared Oil Determination Instrument and Atomic Absorption Spectrometer afterwards（AAS）Determine its oil content and record disengaging time.
The area of Multifunctional oil moisture scrapping off film prepared by present embodiment is 38 ± 2cm2, holey membrane pore size is
20 ± 10nm, thickness is 5mm.
Claims (6)
1. a kind of preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, it is characterised in that methods described
Step is as follows：
First, oxidizing process cutting function stannic oxide/graphene nano band：
（1）Measure 2-50mL phosphoric acid solutions to be added in 500mL round-bottomed flask, add the 20-400mL concentrated sulfuric acids, stir；
（2）Weigh 0.1-10g CNTs and be added to step（1）Mixed acid liquid in, stir 0.1-5h；
（3）0.1-50g 3 steps of potassium permanganate point are slowly added into step（2）Mixed liquor in, stir 0.5-1h；
（4）In the oil bath pan that above-mentioned reaction system is moved to 30-70 DEG C, room temperature is cooled to after stirring reaction 5-48h；
（5）By step（4）Solution pour into the frozen water mixed liquor containing 2-50mL hydrogen peroxide and condense 5-48h, now solution becomes
It is complete into blackish green explanation reaction；
（6）By ultrasonically treated rear addition 50-200mL hydrochloric acid and 100-300mL the deionized waters mistake on poly tetrafluoroethylene of solution
Filter washing；
（7）Dried in vacuum drying chamber, obtain GONRs, the GONRs suspension that ultrasonic 2-50min is uniformed；
（8）0.1-10g IPDI are added in GONRs suspension, stirring reaction 20-30h, finally obtains production under nitrogen protection
Thing is washed 4-6 times with dichloromethane and DMF, and freeze-drying obtains functional graphene oxide nanobelt；
2nd, stannic oxide/graphene nano band porous membrane is prepared by vacuum filtration method：
（1）Functional graphene oxide nanobelt is dispersed in 100-1000mL deionized waters and ultrasonically treated, prepared uniform
Stannic oxide/graphene nano band suspension；
（2）The stannic oxide/graphene nano band suspension of acquisition is filtered into a metafiltration film by vacuum filtration.
2. the preparation method according to claim 1 based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, its
The concentration for being characterised by the hydrogen peroxide is 30%.
3. the preparation method according to claim 1 based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, its
The concentration for being characterised by the hydrochloric acid is 1-30%.
4. the preparation method according to claim 1 based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, its
It is characterised by the step 2（1）In, ultrasonically treated intensity is 100-200W, and frequency is 10-30 KHz, and voltage is 100-
220V。
5. the preparation method according to claim 1 based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, its
It is characterised by the step 2（1）In, total ultrasonic time is 0.2-5 hours, and 5s ultrasounds, 5s stops.
6. the preparation method according to claim 1 based on the multi-functional water-oil separating material of stannic oxide/graphene nano band, its
It is characterised by that the filter paper pore size that the vacuum filtration is used is 30-50 μm, a diameter of 7cm of film, area is 38.46cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220548.1A CN104815608B (en) | 2015-05-04 | 2015-05-04 | Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220548.1A CN104815608B (en) | 2015-05-04 | 2015-05-04 | Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104815608A CN104815608A (en) | 2015-08-05 |
| CN104815608B true CN104815608B (en) | 2017-07-14 |
Family
ID=53726230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220548.1A Active CN104815608B (en) | 2015-05-04 | 2015-05-04 | Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104815608B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797596B (en) * | 2016-03-25 | 2018-04-24 | 河北工业大学 | A kind of preparation method of filter membrane for Water warfare |
| CN106283851A (en) * | 2016-08-08 | 2017-01-04 | 山东交通学院 | A kind of graphene oxide modification oil-water separation filter paper and preparation method thereof |
| CN106283894B (en) * | 2016-08-08 | 2017-10-13 | 山东交通学院 | A kind of graphene oxide is modified filter paper and preparation method and application |
| CN106277172A (en) * | 2016-10-14 | 2017-01-04 | 华北电力大学 | A kind of method utilizing graphene film and CNT three-dimensional composite adsorbing heavy metal in water |
| CN108525533A (en) * | 2018-04-03 | 2018-09-14 | 集美大学 | A kind of preparation method of graphene high molecular polymer composite nanometer filtering film |
| CN108854583B (en) * | 2018-06-05 | 2021-03-23 | 江苏大学 | Preparation method of hydrophilic oil-water separation membrane with spider-web-like structure |
| CN110180217B (en) * | 2019-05-16 | 2021-09-07 | 西安石油大学 | Graphene-based three-dimensional fiber paper for oil-water separation and preparation method thereof |
| CN110280145B (en) * | 2019-07-02 | 2021-09-14 | 中国科学院宁波材料技术与工程研究所 | Super-hydrophilic-underwater super-oleophobic modified separation membrane, and preparation method and application thereof |
| CN110251994B (en) * | 2019-07-04 | 2020-08-04 | 华中科技大学 | On-demand oil-water separation membrane based on two-dimensional material and preparation method thereof |
| US11304304B2 (en) | 2019-11-11 | 2022-04-12 | International Business Machines Corporation | Ionic contaminant cleaning |
| CN112657495B (en) * | 2020-12-22 | 2021-12-21 | 同济大学 | Nano ferroferric oxide/graphene composite Fenton catalytic membrane and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623709A (en) * | 2013-11-11 | 2014-03-12 | 华南理工大学 | Oxidized graphene-modified super-hydrophilic super-oleophobic oil-water separation film and preparation method and application thereof |
| CN104072979A (en) * | 2014-07-18 | 2014-10-01 | 福州大学 | Oxidized graphene nano-ribbon/polymer composite film and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9469742B2 (en) * | 2013-02-13 | 2016-10-18 | Basf Se | Polyamide composites containing graphene |
-
2015
- 2015-05-04 CN CN201510220548.1A patent/CN104815608B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623709A (en) * | 2013-11-11 | 2014-03-12 | 华南理工大学 | Oxidized graphene-modified super-hydrophilic super-oleophobic oil-water separation film and preparation method and application thereof |
| CN104072979A (en) * | 2014-07-18 | 2014-10-01 | 福州大学 | Oxidized graphene nano-ribbon/polymer composite film and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| "Underwater superoleophobic grapheme oxide coated meshes for the separation of oil and water";Ying Dong et al.;《Chemical Communication》;20140411;第50卷(第42期);pages 5586-5589 * |
| "功能氧化石墨烯/热塑性聚氨酯复合材料薄膜的制备及阻隔性能";樊志敏;《复合材料学报》;20140923;第32卷(第3期);第705-711页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104815608A (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104815608B (en) | Preparation method based on the multi-functional water-oil separating material of stannic oxide/graphene nano band | |
| Prasannan et al. | Robust underwater superoleophobic membranes with bio-inspired carrageenan/laponite multilayers for the effective removal of emulsions, metal ions, and organic dyes from wastewater | |
| Raj et al. | Underwater oleophobic-super hydrophilic strontium-MOF for efficient oil/water separation | |
| Rohrbach et al. | A cellulose based hydrophilic, oleophobic hydrated filter for water/oil separation | |
| Ying et al. | A pre-wetting induced superhydrophilic/superlipophilic micro-patterned electrospun membrane with self-cleaning property for on-demand emulsified oily wastewater separation | |
| Zhou et al. | Removal of bisphenol A from aqueous solution using modified fibric peat as a novel biosorbent | |
| CN108421422A (en) | A kind of Nano filtering composite membrane and preparation method thereof of selectivity ion isolation | |
| Zhang et al. | Synthesis and characterization of porous fibers/polyurethane foam composites for selective removal of oils and organic solvents from water | |
| CN106390940B (en) | Modified biomass charcoal and the preparation method and application thereof | |
| Kotp | Enhancement of industrial effluents quality by using nanocomposite Mg/Al LDH ultrafiltration membranes | |
| CN102764536B (en) | Oily sewage purification net membrane and preparation method and application thereof | |
| Madhavakrishnan et al. | Adsorption of crystal violet dye from aqueous solution using Ricinus communis pericarp carbon as an adsorbent | |
| CN104801281B (en) | Preparation method of the oil-water separation with Cotton Gossypii | |
| Teng et al. | Zein adsorbents with micro/nanofibrous membrane structure for removal of oils, organic dyes, and heavy metal ions in aqueous solution | |
| Ye et al. | Robust and durable self-healing superhydrophobic polymer-coated MWCNT film for highly efficient emulsion separation | |
| CN108126650B (en) | Functional flexible inorganic porous fiber membrane, preparation method and application thereof in simultaneously removing oil stains and heavy metal ions in water | |
| CN109499397A (en) | A kind of modified Nano composite membrane and its preparation method and application | |
| CN104667882A (en) | Preparation and application of nano-structure composite adsorption material | |
| CN108704490A (en) | A kind of lotion detaches the preparation method and applications of super-hydrophobic materials with hide glue fibril film | |
| Cao et al. | Synthesis of porous polymer/tissue paper hybrid membranes for switchable oil/water separation | |
| CN103752286B (en) | Composite adsorbing material of a kind of heavy-metal ion removal and its preparation method and application | |
| Yazid et al. | Removal of congo red from aqueous solution using cuttlefish bone powder | |
| CN109453743A (en) | A kind of graphene oxide/bentonite nano piece aeroge, preparation method and application | |
| Wang et al. | Solar-driven high-efficiency remediation of wastewater containing small dye molecules | |
| CN113713628A (en) | Adsorb Hg in waste water2+Synthetic method of composite film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |